Combine like terms - 4-2x+5x

Sin55+cos55=2^1/2/sec10

The geometric means between 1 and 64 are

2c-3 (2c-5) - 5 (5c+5) + 3c-6

Solve the system of equations by graphing: y=x-1 y=-3x-5

89 more than the quotient of a number and 25 is 81.

Compare 1 out of 3 and 3 out of 10. Are these values equal?

Bob won big at bingo last night, he walked away with $800. The first thing Bob does is to take a cab to his mother's house. He gives the cab driver $20 and tells him to keep the change.

A local company wants to evaluate their quality of service by surveying their customers. Their budget limits the number of surveys to 100.

Select the correct numeral form of this number written in scientific notation. 5.0 * 10^10 0.000 000 000 5 5,000,000,000 50,000,000,000 500,000,000,000

John has a bag of marbles that contains 12 red marbles 20 green and 17 blue. if john pulls one marble what is the probability that it will be a purple marble